20218880003

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{1867}}^1\times {\mathrm{17383}}^1$

素因数の和:19346

約数の個数: 16

約数和(自身を含む): 23380784640

約数和(自身を除く): 3161904637

約数列:

[1, 7, 89, 623, 1867, 13069, 17383, 121681, 166163, 1163141, 1547087, 10829609, 32454061, 227178427, 2888411429, 20218880003]

約数ペア:

[(1, 20218880003), (7, 2888411429), (89, 227178427), (623, 32454061), (1867, 10829609), (13069, 1547087), (17383, 1163141), (121681, 166163)]